fix-cve-2014-9357

[yuweisung]

(If this PR fixes a github issue, please add Fixes #<xyz>.)

Motivation

fix-cve-2014-9357 github.com/docker/docker is old

Modifications

pulsarctl is major cli for sn and 2014-9357 is Critical CVE.

Verifying this change

• [ ] Make sure that the change passes the CI checks. I did a simple make pulsarctl on my macOS and it is succeed.

This change is a trivial rework / code cleanup without any test coverage.

Documentation

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Need to update docs?

• [ ] doc-required

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• [x] no-need-doc

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• [ ] doc

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